<template>
  <div class="hi">
    hello world! 你好世界！!!
  </div>
</template>

<script>
export default {
  name: 'app1-say-hi'

}
</script>

<style scoped lang="scss">
.hi{
    width: 300px;
    height: 200px;
    background: rgb(255, 0, 0);
    font-size: 16px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

div[data-qiankun-child-app1].hi {
  font-size: 30px;
}
</style>